• using R version 4.1.2 (2021-11-01)
• using platform: x86_64-apple-darwin17.0 (64-bit)
• using session charset: UTF-8
• checking for file ‘localsolver/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘localsolver’ version ‘2.3’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘localsolver’ can be installed ... [2s/2s] OK
• checking installed package size ... OK
• checking package directory ... OK
• checking ‘build’ directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking R files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [2s/2s] OK
• checking Rd files ... [0s/0s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking installed files from ‘inst/doc’ ... OK
• checking files in ‘vignettes’ ... OK
• checking examples ... [0s/0s] ERROR
  Running examples in ‘localsolver-Ex.R’ failed
  The error most likely occurred in:
  
  > ### Name: add.output.expr
  > ### Title: Add expression to output of ls.problem.
  > ### Aliases: add.output.expr
  >
  > ### ** Examples
  >
  > model.text.lsp <- lsp.model.example('extdata/knapsack.txt')
  > lsp <- ls.problem(model.text.lsp)
  sh: localsolver: command not found
  Error in ls.problem(model.text.lsp) :
    has.localsolver(ls.path) is not TRUE
  Calls: ls.problem -> stopifnot
  Execution halted
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes in ‘inst/doc’ ... OK
• checking running R code from vignettes ... [0s/0s] NONE
    ‘localsolver.Rmd’ using ‘UTF-8’... [0s/0s] OK
• checking re-building of vignette outputs ... [1s/1s] WARNING
  Error(s) in re-building vignettes:
    ...
  --- re-building ‘localsolver.Rmd’ using knitr
  sh: localsolver: command not found
  Quitting from lines 66-68 (localsolver.Rmd)
  Error: processing vignette 'localsolver.Rmd' failed with diagnostics:
  has.localsolver(ls.path) is not TRUE
  --- failed re-building ‘localsolver.Rmd’
  
  SUMMARY: processing the following file failed:
    ‘localsolver.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted
  
• checking PDF version of manual ... OK
• DONE
  Status: 1 ERROR, 1 WARNING
• using check arguments '--no-clean-on-error '